🚀 v2.0 Now Available — YAML Schemas + Preset Templates

Mock Data in Seconds,
Not Hours

Generate millions of realistic, referentially-correct rows with one command. No SQL scripts. No manual seeding. No setup.

Download Free Trial See How It Works

$ datamocker --template e-commerce --db sqlite

[schema] Parsed 4 tables: customers, products, orders, order_items
[schema] Inserted 1.0K rows into customers
[schema] Inserted 500 rows into products
[schema] Inserted 5.0K rows into orders
[schema] Inserted 10.0K rows into order_items

[verify] ✓ orders.customer_id → customers.id (no orphans)
[verify] ✓ order_items.order_id → orders.id (no orphans)

Schema execution complete in 303ms

Everything You Need

From quick exports to complex multi-table schemas

⚡

Blazing Fast

PostgreSQL binary COPY protocol + concurrent workers. Millions of rows in under a minute.

🔗

Referential Integrity

Foreign keys automatically resolved across unlimited tables. No orphaned rows, ever.

📝

Custom Schemas

Define unlimited tables, columns, and relationships with a simple YAML file.

🎯

Preset Templates

E-commerce, SaaS, Social Media — one command, realistic data, zero configuration.

📤

Export Anywhere

CSV, JSON, SQL dump — no database required. Perfect for data science pipelines.

🐳

Docker Automation

Spins up PostgreSQL or MySQL containers automatically with health checks.

🎨

Beautiful TUI

Interactive terminal UI with progress bars, speed metrics, and step-by-step guidance.

🔒

Tiered Licensing

7-day free trial. Personal ($29), Team ($99/yr), Enterprise ($499/yr). Upgrade anytime.

Usage Examples

One command for every workflow

            # Launch the beautiful interactive terminal UI
            $ datamocker

            # 1. Pick your database (PostgreSQL, MySQL, or SQLite)
            # 2. Enter row count (e.g. 100000)
            # 3. Watch real-time progress with speed metrics
            # 4. Copy connection string and start coding
          

            # CSV for Excel / Data Science / Spark
            $ datamocker --format csv --rows
            50000 --output customers.csv

            # JSON Lines for APIs / MongoDB / Elasticsearch
            $ datamocker --format json --rows
            10000 --output users.jsonl

            # SQL dump for any database
            $ datamocker --format sql --rows
            100000 --output seed.sql
          

            # List available templates
            $ datamocker templates

            # Generate e-commerce database (customers, products, orders,
              order_items)
            $ datamocker --template e-commerce --db
            sqlite

            # Generate SaaS database (tenants, users, subscriptions,
              invoices)
            $ datamocker --template saas --db
            postgres

            # Generate social media database (users, posts, comments)
            $ datamocker --template social --db
            mysql
          

            # Preview your schema before executing
            $ datamocker --schema myschema.yaml
            --preview 5

            # Execute into SQLite
            $ datamocker --schema myschema.yaml
            --db sqlite

            # Execute into PostgreSQL (auto-spins Docker container)
            $ datamocker --schema myschema.yaml
            --db postgres
          

Simple Pricing

Start free. Upgrade when you need more.

Trial

Free

7 days, full features

10,000 rows max
All databases
All export formats
All templates
Schema preview
Custom schemas
Docker automation

Start Trial

Personal

$29

One-time purchase

100,000 rows max
All export formats
Interactive TUI
Preview mode
Custom schemas
Preset templates
Docker automation

Buy Personal — $29

Team

$99/year

Per seat, billed annually

1,000,000 rows max
Custom YAML schemas
Preset templates
Docker automation
All export formats
Priority email support
CI/CD integration

Buy Team — $99/yr

After purchase, email your receipt to hesho66@icloud.com for your license key.

Enterprise

$499/year

Unlimited everything

Unlimited rows
Everything in Team
Custom data types
Air-gapped licenses
SLA guarantee
Dedicated support
Onboarding call

Contact Sales

🔑 Activate Your License

Paste your license key below or follow the manual instructions for your OS.

📋 Manual Activation

Windows (PowerShell):

$license = "YOUR_LICENSE_KEY"
[System.IO.File]::WriteAllText("$env:USERPROFILE\.datamocker_license", $license)

macOS / Linux:

echo "YOUR_LICENSE_KEY" > ~/.datamocker_license

Verify:

datamocker --license

Ready to Stop Writing Seed Scripts?

Download the free trial. No credit card. No signup. 7 days, full features.

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Also available for Linux · View all releases

Mock Data in Seconds,Not Hours